Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul Demilie0
Date of Patent
March 23, 2010
0Patent Application Number
105566040
Date Filed
May 19, 2004
0Patent Primary Examiner
Patent abstract
Process for the manufacture of sodium carbonate crystals comprising: the addition of solid sodium carbonate (1) to an aqueous solution comprising sodium bicarbonate and sodium carbonate; the crystallization and the separation of sodium sesquicarbonate crystals; (B, C) the crystallization of sodium carbonate crystals, (E) the amount of sodium carbonate added being adjusted so that the crystallization of sesquicarbonate crystals can be carried out without preliminary evaporation of the aqueous suspension.
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